rp
Summary
Used to provide fallback text to be shown by user agents that don’t support ruby annotations
Overview Table
Examples
The example above, in which each ideograph in the text 漢字 is annotated with its phonetic reading, could be expanded to use rp so that in legacy user agents the readings are in parentheses
<p lang="ja" xml:lang="ja">
...
<ruby>
漢 <rp>(</rp><rt>かん</rt><rp>)</rp>
字 <rp>(</rp><rt>じ</rt><rp>)</rp>
</ruby>
...
</p>